tcpreplay
Tcpreplay is a suite of free Open Source utilities for editing and replaying previously captured network traffic. It can replay malicious traffic patterns to Intrusion Detection/Prevention Systems and also replay to web servers. It supports switches, routers, and IP Flow/NetFlow appliances. It provides various tools such as tcpreplay, tcprewrite, tcpreplay-edit, tcpprep, tcpbridge, tcpliveplay, and tcpcapinfo, each with its own specific functionality. Tcpreplay can be used to test network devices, simulate traffic, and analyze network performance.
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